Across
- 2. Valve between left atrium and left ventricle
- 3. Top of the lung
- 9. Bottom number in a blood pressure reading
- 11. Blood cells that help with clotting
- 12. Windpipe
- 13. Top number in a blood pressure reading
- 16. Body system that transports oxygen and nutrients
- 20. Liquid portion of blood that carries nutrients
- 23. Base volume of air inhaled or exhaled in one breath
- 25. Test that measures oxygen saturation of blood
- 26. Device used in pulse oximetry
- 29. Circulation pathway between heart and body tissues
- 30. Sections of the lungs
- 31. Cavity where air enters the respiratory system
- 32. Condition of low healthy red blood cells
- 34. Tiny vessels where gas and nutrient exchange occurs
- 36. Term for high blood pressure
- 37. Listening to internal body sounds with a stethoscope
Down
- 1. Bottom surface of lung resting on diaphragm
- 2. Muscular layer of the heart wall
- 4. Protective sac covering the heart
- 5. Tubes carrying air from windpipe to lungs
- 6. Blood vessels returning deoxygenated blood to heart
- 7. Total air exhaled after maximal inhalation
- 8. Lower chambers of the heart
- 9. Muscle that contracts and flattens to help breathing
- 10. Blood vessels carrying oxygenated blood away from heart
- 14. Mineral needed for hemoglobin production
- 15. Valve between right atrium and right ventricle
- 17. Circulation pathway between heart and lungs
- 18. Term for inhaling oxygen
- 19. Voice box and airway
- 21. Tiny sacs in lungs where gas exchange happens
- 22. Air passage behind nose and mouth
- 24. Protein in red blood cells that carries oxygen
- 26. Rhythmic throbbing of arteries measuring heart rate
- 27. Term for exhaling carbon dioxide
- 28. Valve that opens to let blood flow into the aorta
- 33. Brainstem part controlling breathing and heart rate
- 35. Upper chambers of the heart